A sill is a sheet-like igneous intrusion between layers of bedrock/ hard rock. If it appears to be blister-like, then it is probably a lacolith. Also you can go to www.google.com/images and look up sill in volcano.
http://wiki.answers.com/Q/What_is_the_sill_in_a_volcano
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Hundreds of dikes can invade the cone and inner core of a volcano, sometimes preferentially along zones of structural weakness. Sills:; A tabular body of intrusive igneous rock, parallel to the layering of the rocks into which it intrudes.
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vulcan.wr.usgs.gov/LivingWith/VolcanicPast/Notes/dikes_...
vulcan.wr.usgs.gov/LivingWith/VolcanicPast/Notes/dikes_sills.html
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China volcano sill catalog and volcano sill manufacturer directory. Trade platform for China volcano sill manufacturers and global volcano sill buyers provided by tootoo.com. ... Buy Volcano Sill , Wholesale Volcano Sill From China...
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www.tootoo.com/buy-volcano_sill/
www.tootoo.com/buy-volcano_sill/
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It is estimated that the explosion that took place inside the volcano was equal to 10 million tonnes of TNT and that this blasted away 6 km2 of rock from the top of the volcano. ... Sill ; When a sheet of magma lies along a bedding plane it forms a structure called a sill. Some sills form ridge-like escarpments when exposed...
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library.thinkquest.org/03oct/01428/vulcano1en.html
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Volcanic Sill - John Seac ... A volcanic sill is a planar sheet of magma which is parallel to the surrounding rock. Sills store magma compared to dikes which transport magma. ... John Seach, Volcano Live...
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www.volcanolive.com/sill.html
www.volcanolive.com/sill.html
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Volcano Live ... Volcano Glossary - S; ... Subglacial volcano...
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www.volcanolive.com/s.html
www.volcanolive.com/s.html
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ated lavas of Piton des Neiges volcano, occurs within an old agglomeratic complex. An 8-m sill within this suite is strongly difierentiated with a basaltic ...
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www.minsocam.org/ammin/AM52/AM52_1475.pdf
www.minsocam.org/ammin/AM52/AM52_1475.pdf
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7. What is the name of the bowl-like opening of a volcano? SILL - CRATER - ASH ... 9. What is the name of an opening through which molten rock and gases escape from a volcano? CONDUIT - VENT - FLANK...
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www.enchantedlearning.com/subjects/volcano/quizprintout...
www.enchantedlearning.com/subjects/volcano/quizprintout.shtml
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Dike- The barrier or obstacle of a volcano. Sill- Slab of stone at the foot of the volcano. Flank- The side of a volcano. Lava- Matter flowing from a volcano that solidifies as it cools. Crater- Mouth of a volcano.
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www2.edc.org/sciencequest/2001/SQ0110360/valcanoparts2....
www2.edc.org/sciencequest/2001/SQ0110360/valcanoparts2.html
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